990168397285616128

Names of 990168397285616128

• Cardinal: 990168397285616128 can be written as Nine hundred ninety quadrillion, one hundred sixty-eight trillion, three hundred ninety-seven billion, two hundred eighty-five million, six hundred sixteen thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 9.90168397285616128 × 10¹⁷

Factors of 990168397285616128

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 4052

Divisors of 990168397285616128

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 8 16 31 32 62 64 124 128 248 256 496 512 961 992 1922 1984 3844 3968 4019 7688 7936 8038 15376 15872 16076 29791 30752 32152 59582 61504 64304 119164 123008 124589 128608 238328 246016 249178 257216 476656 492032 498356 514432 953312 996712 1028864 1906624 1993424 2057728 3813248 3862259 3986848 7626496 7724518 7973696 15252992 15449036 15947392 16152361 30898072 31894784 32304722 61796144 63789568 64609444 119730029 123592288 129218888 239460058 247184576 258437776 478920116 494369152 500723191 516875552 957840232 988738304 1001446382 1033751104 1915680464 1977476608 2002892764 2067502208 3831360928 4005785528 4135004416 7662721856 8011571056 8270008832 15325443712 15522418921 16023142112 30650887424 31044837842 32046284224 61301774848 62089675684 64092568448 124179351368 128185136896 248358702736 256370273792 481194986551 496717405472 962389973102 993434810944 1924779946204 1986869621888 3849559892408 3973739243776 7699119784816 7947478487552 15398239569632 30796479139264 61592958278528 123185916557056 246371833114112
• Sum of all divisors σ(n): 990430822719958208
• Sum of proper divisors (its aliquot sum) s(n): 262425434342080
• 990168397285616128 is a deficient number, because the sum of its proper divisors (262425434342080) is less than itself. Its deficiency is 989905971851274048

Bases of 990168397285616128

• Binary: 110110111101110010001110100101000100000001101110101000000000₂
• Hexadecimal: 0xDBDC8E94406EA00
• Base-36: 7ITLEI29FXTS

Squares and roots of 990168397285616128

• 990168397285616128 squared (990168397285616128²) is 980433454983165736319790204573712384
• 990168397285616128 cubed (990168397285616128³) is 970794222765880486291045449028982307607000069703729152
• The square root of 990168397285616128 is 995072056.3283927973
• 990168397285616128 is a perfect cube number. Its cube root is 996712

Scales and comparisons

• 990,168,397,285,616,128 seconds is equal to 31,484,292,241 years, 38 weeks, 22 hours, 15 minutes, 28 seconds.
• To count from 1 to 990,168,397,285,616,128 would take you about ninety-four billion, four hundred fifty-two million, eight hundred seventy-six thousand, seven hundred twenty-five years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 990168397285616128 cubic inches would be around 83059.3 feet tall.

Recreational maths with 990168397285616128

• 990168397285616128 backwards is 821616582793861099
• The number of decimal digits it has is: 18
• The sum of 990168397285616128's digits is 91
• More coming soon!